The most common application of neon is in advertisement. Ne generates a bright reddish orange color. Neon lights refer to various colors and lights. However, neon lights come from other gases and not necessarily neon. The element is also used in helium neon lasers, television tubes and wave meter tubes. It is also used in lighting arresters. This is used to shield electrical equipment from lightning. There are also high voltage indicators and vacuum tubes that employ it.